Home / 297,098,422.70-445,269,720.45-143,413,558.70

Finding the Fourth Proportional to 297,098,422.70, 445,269,720.45 and 143,413,558.70

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Solution

The fourth proportional to 297,098,422.70, 445,269,720.45 and 143,413,558.70 is: 214,937,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,098,422.70 : 445,269,720.45 = 143,413,558.70 : x
  2. Step 2: Convert to fraction form
    297,098,422.70/445,269,720.45 = 143,413,558.70/x
  3. Step 3: Cross multiply
    297,098,422.70x = 445,269,720.45 × 143,413,558.70
  4. Step 4: Simplify right side
    297,098,422.70x = 63,857,715,191,088,656
  5. Step 5: Solve for x
    x = 63,857,715,191,088,656/297,098,422.70
  6. Step 6: Final answer
    x = 214,937,913.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.